Features: Specialized patented jaws for side mount and post batteries; Equipped with extra heavy duty spring for better clamping; Heavy Copper Coated Teeth on BOTH inner sides of Clamp - Extreme power transfer; Heavy-duty spring-loaded steel clamps, PVC coated for safety. Details: Peak Amps (approx.):1100AMP Clamp material: Iron Insulation material: PVC Color Code: Black Fitment Type:Direct Replacement Warranty:1 Year Package: Heavy Duty Booster Clamps .